Definition of Reef

1. Noun. A submerged ridge of rock or coral near the surface of the water.

Specialized synonyms: Coral Reef
Generic synonyms: Ridge
Derivative terms: Reefy



2. Verb. Lower and bring partially inboard. "Reef the sailboat's mast"

3. Noun. A rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese.
Exact synonyms: Rand, Witwatersrand
Generic synonyms: Part, Region
Group relationships: Transvaal

4. Verb. Roll up (a portion of a sail) in order to reduce its area.
Generic synonyms: Furl, Roll Up

5. Noun. One of several strips across a sail that can be taken in or rolled up to lessen the area of the sail that is exposed to the wind.
Group relationships: Canvas, Canvass, Sail, Sheet
Generic synonyms: Slip, Strip

6. Verb. Reduce (a sail) by taking in a reef.
Generic synonyms: Reduce, Shrink

Definition of Reef

1. n. A chain or range of rocks lying at or near the surface of the water. See Coral reefs, under Coral.

2. n. That part of a sail which is taken in or let out by means of the reef points, in order to adapt the size of the sail to the force of the wind.

3. v. t. To reduce the extent of (as a sail) by roiling or folding a certain portion of it and making it fast to the yard or spar.

Definition of Reef

1. Adjective. Scabby; scurvy. ¹

2. Noun. (context: Now chiefly dialectal) The itch; any eruptive skin disorder. ¹

3. Noun. (context: Now chiefly dialectal) Dandruff. ¹

4. Noun. A chain or range of rocks, sand, or coral lying at or near the surface of the water. ¹

5. Noun. (context: Australia South Africa) A large vein of auriferous quartz; hence, any body of rock yielding valuable ore. ¹

6. Noun. (nautical) A portion of a sail rolled and tied down to lessen the area exposed in a high wind. ¹

7. Noun. A reef knot. ¹

8. Verb. (nautical) To take in part of a sail in order to adapt the size of the sail to the force of the wind. ¹

9. Verb. (Australian) To pull or yank strongly. ¹

¹ Source: wiktionary.com

Definition of Reef

1. to reduce the area of a sail [v -ED, -ING, -S] : REEFABLE [adj]

Medical Definition of Reef

1. 1. A chain or range of rocks lying at or near the surface of the water. See Coral reefs, under Coral. 2. A large vein of auriferous quartz; so called in Australia. Hence, any body of rock yielding valuable ore. Reef builder, any heron of the genus Demigretta; as, the blue reef heron (D.jugularis) of Australia. Origin: Akin to D. Rif, G. Riff, Icel. Rif, Dan. Rev; cf. Icel. Rifa rift, rent, fissure, rifa to rive, bear. Cf. Rift, Rive. Source: Websters Dictionary (01 Mar 1998)

Reef Pictures

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Lexicographical Neighbors of Reef

reeds
reedstop
reedstops
reeducate
reeducated
reeducates
reeducating
reeducation
reeducations
reeducative
reeducator
reeducators
reedwork
reedy
reedy nail
reef (current term)
reef-band
reef-bands
reef break
reef knot
reef knots
reef point
reef rashes
reef squirrelfish
reef triggerfish
reef whitetip shark
reefable
reefal
reefed

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